# Release History: opentelemetry-sdk

### v1.3.2 / 2024-01-23

* FIXED: Reduce allocations on GraphQL hot paths
* FIXED: Add context to metrics reporting of buffer-full events

### v1.3.1 / 2023-11-02

* FIXED: Spec compliance for span attribute limit
* FIXED: BatchSpanProcessor#force_flush: purge inherited spans even on shutdown

### v1.3.0 / 2023-06-08

* BREAKING CHANGE: Remove support for EoL Ruby 2.7

* ADDED: Remove support for EoL Ruby 2.7
* FIXED: SDK requires opentelemetry-common 0.19.7

### v1.2.1 / 2023-05-30

* FIXED: Untraced only works with parent-based sampler
* DOCS: Improve formatting of usage examples in OpenTelemetry SDK rubydocs

### v1.2.0 / 2022-09-14

* ADDED: Support OTEL_PROPAGATORS=none
* ADDED: Support OTEL_ATTRIBUTE_{COUNT,VALUE_LENGTH}_LIMIT env vars
* ADDED: Support InstrumentationScope, and update OTLP proto to 0.18.0
* FIXED: SpanLimits setting event attributes length limit

### v1.1.0 / 2022-05-26

* BREAKING CHANGE: This requires upgrading both the SDK and Instrumentation gem in tandem


### v1.0.3 / 2022-05-02

* ADDED: Truncate the strings in an array attribute value if length_limit is configured
* FIXED: Update attribute length limit env var name to match spec
* FIXED: Warning about Struct initialization in Ruby 3.2+
* FIXED: Warn on unsupported otlp transport protocols
* FIXED: Only allow certain types of Numeric values as attribute values.

### v1.0.2 / 2021-12-01

* FIXED: Default span kind
* FIXED: Use monotonic clock where possible

### v1.0.1 / 2021-10-29

* FIXED: Add unexpected error handlign in BSP and OTLP exporter (#995)

### v1.0.0 / 2021-09-29

* (No significant changes)

### v1.0.0.rc3 / 2021-08-12

* BREAKING CHANGE: Remove optional parent_context from in_span
* BREAKING CHANGE: Replace Time.now with Process.clock_gettime
* BREAKING CHANGE: Refactor Baggage to remove Noop*
* BREAKING CHANGE: Remove unnecessary readers from SDK Tracer
* BREAKING CHANGE: Total order constraint on span.status=
* BREAKING CHANGE: Use auto-generated resource constants in sdk and resource_detectors
* BREAKING CHANGE: Span limits env vars

* ADDED: Add Tracer.non_recording_span to API
* ADDED: Add unnamed tracer warning message
* ADDED: Allow disabling of install messages
* ADDED: Make API's NoopTextMapPropagator private
* ADDED: Use auto-generated resource constants in sdk and resource_detectors
* ADDED: Allow selecting multiple exporter
* ADDED: Add explicit BSP export error
* FIXED: Remove optional parent_context from in_span
* FIXED: Replace Time.now with Process.clock_gettime
* FIXED: Rename cloud.zone to cloud.availability_zone
* FIXED: Improve attribute error messages
* FIXED: Refactor Baggage to remove Noop*
* FIXED: Support OTEL_SERVICE_NAME env var
* FIXED: Remove unnecessary readers from SDK Tracer
* FIXED: Total order constraint on span.status=
* FIXED: Flakey tracer provider test
* FIXED: Split lock in TracerProvider
* FIXED: Span limits env vars
* FIXED: Prune invalid links
* DOCS: Update docs to rely more on environment variable configuration

### v1.0.0.rc2 / 2021-06-23

* BREAKING CHANGE: Remove optional parent_context from in_span [729](https://github.com/open-telemetry/opentelemetry-ruby/pull/729)
* BREAKING CHANGE: Replace Time.now with Process.clock_gettime [717](https://github.com/open-telemetry/opentelemetry-ruby/pull/717)
* BREAKING CHANGE: Refactor Baggage to remove Noop* [800](https://github.com/open-telemetry/opentelemetry-ruby/pull/800)
* BREAKING CHANGE: Remove unnecessary readers from SDK Tracer [820](https://github.com/open-telemetry/opentelemetry-ruby/pull/820)
  - Tracer no longer surfaces attribute readers for the name, version, or tracer_provider
* BREAKING CHANGE: Total order constraint on span.status= [805](https://github.com/open-telemetry/opentelemetry-ruby/pull/805)

* ADDED: Add Tracer.non_recording_span to API [799](https://github.com/open-telemetry/opentelemetry-ruby/pull/799)
* ADDED: Add unnamed tracer warning message [830](https://github.com/open-telemetry/opentelemetry-ruby/pull/830)
* ADDED: Allow disabling of install messages [831](https://github.com/open-telemetry/opentelemetry-ruby/pull/831)
* FIXED: Rename cloud.zone to cloud.availability_zone [734](https://github.com/open-telemetry/opentelemetry-ruby/pull/734)
* FIXED: Improve attribute error messages [742](https://github.com/open-telemetry/opentelemetry-ruby/pull/742)
* FIXED: Support OTEL_SERVICE_NAME env var [806]https://github.com/open-telemetry/opentelemetry-ruby/pull/806
* FIXED: Flakey tracer provider test

### v1.0.0.rc1 / 2021-05-21

* BREAKING CHANGE: Remove optional parent_context from in_span
* BREAKING CHANGE: Replace Time.now with Process.clock_gettime

* FIXED: Remove optional parent_context from in_span
* FIXED: Replace Time.now with Process.clock_gettime
* FIXED: Rename cloud.zone to cloud.availability_zone
* FIXED: Improve attribute error messages

### v0.17.0 / 2021-04-22

* BREAKING CHANGE: Replace TextMapInjector/TextMapExtractor pairs with a TextMapPropagator.

  [Check the propagator documentation](https://open-telemetry.github.io/opentelemetry-ruby/) for the new usage.

* ADDED: Add zipkin exporter
* ADDED: Processors validate exporters on init.
* ADDED: Add configurable truncation of span and event attribute values
* ADDED: Add simple 'recording' attr_accessor to InMemorySpanExporter
* FIXED: Typo in error message
* FIXED: Improve configuration error reporting
* FIXED: Refactor propagators to add #fields

### v0.16.0 / 2021-03-17

* BREAKING CHANGE: Update SDK BaggageManager to match API
* BREAKING CHANGE: Implement Exporter#force_flush

* ADDED: Add force_flush to SDK's TracerProvider
* ADDED: Add k8s node to gcp resource detector
* ADDED: Add console option for OTEL_TRACES_EXPORTER
* ADDED: Span#add_attributes
* ADDED: Implement Exporter#force_flush
* FIXED: Update SDK BaggageManager to match API
* DOCS: Replace Gitter with GitHub Discussions

### v0.15.0 / 2021-02-18

* BREAKING CHANGE: Streamline processor pipeline

* ADDED: Add instrumentation config validation
* FIXED: Streamline processor pipeline
* FIXED: OTEL_TRACE -> OTEL_TRACES env vars
* FIXED: Change limits from 1000 to 128
* FIXED: OTEL_TRACES_EXPORTER and OTEL_PROPAGATORS
* FIXED: Add thread error handling to the BSP
* DOCS: Clarify nil attribute values not allowed

### v0.14.0 / 2021-02-03

* BREAKING CHANGE: Replace getter and setter callables and remove rack specific propagators

* ADDED: Replace getter and setter callables and remove rack specific propagators

### v0.13.1 / 2021-02-01

* FIXED: Leaky test
* FIXED: Allow env var override of service.name

### v0.13.0 / 2021-01-29

* BREAKING CHANGE: Remove MILLIS from BatchSpanProcessor vars

* ADDED: Process.runtime resource
* ADDED: Provide default resource in SDK
* ADDED: Add optional attributes to record_exception
* FIXED: Resource.merge consistency
* FIXED: Remove MILLIS from BatchSpanProcessor vars

### v0.12.1 / 2021-01-13

* FIXED: Fix several BatchSpanProcessor errors related to fork safety
* FIXED: Define default value for traceid ratio

### v0.12.0 / 2020-12-24

* ADDED: Structured error handling
* ADDED: Pluggable ID generation
* FIXED: BSP dropped span buffer full reporting
* FIXED: Implement SDK environment variables
* FIXED: Remove incorrect TODO

### v0.11.1 / 2020-12-16

* FIXED: BSP dropped span buffer full reporting

### v0.11.0 / 2020-12-11

* ADDED: Metrics reporting from trace export
* FIXED: Copyright comments to not reference year

### v0.10.0 / 2020-12-03

* BREAKING CHANGE: Allow samplers to modify tracestate

* FIXED: Allow samplers to modify tracestate

### v0.9.0 / 2020-11-27

* BREAKING CHANGE: Pass full Context to samplers
* BREAKING CHANGE: Add timeout for force_flush and shutdown

* ADDED: Add OTEL_RUBY_BSP_START_THREAD_ON_BOOT env var
* ADDED: Add timeout for force_flush and shutdown
* FIXED: Signal at batch_size
* FIXED: SDK Span.recording? after finish
* FIXED: Pass full Context to samplers
* DOCS: Add documentation on usage scenarios for span processors

### v0.8.0 / 2020-10-27

* BREAKING CHANGE: Move context/span methods to Trace module
* BREAKING CHANGE: Remove 'canonical' from status codes
* BREAKING CHANGE: Assorted SpanContext fixes

* FIXED: Move context/span methods to Trace module
* FIXED: Remove 'canonical' from status codes
* FIXED: Assorted SpanContext fixes

### v0.7.0 / 2020-10-07

* ADDED: Add service_name setter to configurator
* ADDED: Add service_version setter to configurator
* FIXED: Fork safety for batch processor
* FIXED: Don't generate a span ID unnecessarily
* DOCS: Fix Configurator#add_span_processor
* DOCS: Standardize toplevel docs structure and readme

### v0.6.0 / 2020-09-10

* BREAKING CHANGE: Rename Resource labels to attributes
* BREAKING CHANGE: Export resource from Span/SpanData instead of library_resource
* BREAKING CHANGE: Rename CorrelationContext to Baggage
* BREAKING CHANGE: Rename Text* to TextMap* (propagators, injectors, extractors)
* BREAKING CHANGE: Rename span.record_error to span.record_exception
* BREAKING CHANGE: Update samplers to match spec
* BREAKING CHANGE: Remove support for lazy event creation

* ADDED: Add OTLP exporter
* ADDED: Add support for OTEL_LOG_LEVEL env var
* FIXED: Rename Resource labels to attributes
* ADDED: Environment variable resource detection
* ADDED: BatchSpanProcessor environment variable support
* FIXED: Remove semver prefix
* FIXED: Docs for array valued attributes
* ADDED: Add hex_trace_id and hex_span_id helpers to SpanData
* FIXED: Fix ProbabilitySampler
* ADDED: Implement GetCorrelations
* FIXED: Change default Sampler to ParentOrElse(AlwaysOn)
* FIXED: Fix probability sampler